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Finding the Third Proportional to 9,075.66 and 13,749.75

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Solution

The third proportional to 9,075.66 and 13,749.75 is: 20,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.66 : 13,749.75 = 13,749.75 : x
  2. Step 2: Convert to fraction form
    9,075.66/13,749.75 = 13,749.75/x
  3. Step 3: Cross multiply
    9,075.66x = 13,749.75 × 13,749.75
  4. Step 4: Simplify right side
    9,075.66x = 189,055,625.06
  5. Step 5: Solve for x
    x = 189,055,625.06/9,075.66
  6. Step 6: Final answer
    x = 20,831.07

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.